Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A subtle decrease in the average high-temperature marks September, falling from August's moderately hot 24.6°C (76.3°F) to an enjoyable 19.3°C (66.7°F). Nighttime temperatures consistently average a chilly 9.8°C (49.6°F) during September.Humidity
In Starý Kolín, the average relative humidity in September is 74%.Rainfall
In Starý Kolín, in September, during 10.9 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Starý Kolín, during the entire year, the rain falls for 132.2 days and collects up to 374mm (14.72") of precipitation.Snowfall
In Starý Kolín, snow does not fall in June through September.Daylight
In Starý Kolín, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:14 and sunset at 19:42. On the last day of September, in Starý Kolín, sunrise is at 06:58 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine in Starý Kolín is 9.2h.UV index
In Starý Kolín, Czech Republic, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are September temperatures in Starý Kolín?
What is the average humidity in September in Starý Kolín?
How many days does it rain in September in Starý Kolín?
When it does not snow in Starý Kolín?
Does it snow in Starý Kolín in September?
What is the average length of the day in September in Starý Kolín?
When is the sunrise / sunset in September in Starý Kolín?
How long on average sun shines in September in Starý Kolín?
What is the UV index intensity in September in Starý Kolín?
Average temperature in September
Starý Kolín, Czech Republic
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Starý Kolín, Czech Republic
- Average pressure in September: 1018mbar
The months with the highest atmospheric pressure are October and December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1015.1mbar).
Average wind speed in September
Starý Kolín, Czech Republic
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Starý Kolín, Czech Republic
- Average humidity in September: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Starý Kolín, Czech Republic
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Starý Kolín, Czech Republic
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Starý Kolín, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Starý Kolín, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Starý Kolín, Czech Republic
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Starý Kolín, Czech Republic
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Starý Kolín, Czech Republic
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Starý Kolín, Czech Republic
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Starý Kolín, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Starý Kolín, Czech Republic
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